
Micron (MU) is having its best trading day since 2011, on track to close at a valuation of $1 trillion, which would make its market cap nearly tied with those of Eli Lilly (LLY) and Berkshire Hathaway (BRK-B, BRK-A). Yahoo Finance Markets and Data Editor Jared Blikre takes a closer look at Micron's market action in the video above.
